(13) "Tattoo" means any method of placing designs, letters, figures, symbols, cosmetics or any other marks under the skin of a person with ink or color by the aid of needles or instruments;

(14) "Tattoo artist" means any person, regardless of age, who engages in the practice/service of tattooing regardless of the type of tattoo or area to be tattooed;

(15) "Tattoo artist registration" means the issuance of a state license authorizing the person named therein to engage in the practice/service of tattooing in the state of Tennessee after fulfilling the requirements in this part;

(17) "Tattoo studio" means any room or space where tattooing is practiced or where the service of tattooing is conducted;

(18) "Tattoo studio certificate" means the issuance of a written permit, issued by the local county health department, to a tattoo studio stating that such studio, after inspection, was found to be in compliance with this part; and

(19) "Universal precautions" means that all blood and body fluids are treated as to contain all bloodborne pathogens and taking proper precautions to prevent the spread of any bloodborne pathogens.